Solution, Solute and Solvent Problem 6

Chemistry Level 2

At 18C18^\circ\text{C}, the solubility of HgCl2\text{HgCl}_2 is 6 g/100 g6\text{ g}/100\text{ g} water. At 78C78^\circ \text{C}, the solubility is 25 g/100 g25\text{ g}/100\text{ g} water. If a 78C78^\circ \text{C}, saturated HgCl2\text{HgCl}_2 solution is cooled down to 18C18^\circ \text{C} then a 38 g38\text{ g} HgCl2\text{HgCl}_2 crystal is separated from the solvent. Then, what is the mass of the original saturated HgCl2\text{HgCl}_2 solution (at the time when it is at 78C78^\circ \text{C}) in grams?

You may refer Chemistry - Solution, Solute and Solvent Note

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